Now is the time to consider
sending in vine samples for analysis. FULL BLOOM is the period when GRAPE
PETIOLE ANALYSIS is performed - it will show what the vine is receiving in
the areas of Nitrate Nitrogen, Phosphorous, Potassium, Calcium, Magnesius, Zinc, Manganese, Boron, and Sodium. The
analysis report will also show what the "OptimalRange"
is for each of these areas.

One of the Viticulturists
at the Lab is Roger Kerneur who is very
knowledgeable and helpful. If you pull up the Lab web site you will find
instructions on not only Tissue Sampling Procedure, but also Soil Sampling
Procedure.